I have 5 quibs = 7 sleps. Option D.
Most denominations accept baptisms performed by another denomination. In most cases baptism must have been in the name of water and the Trinity. Such converts are usually received through formal ceremonies. This usually includes denominational communion and sometimes confirmation as well.
Transformation is a process, not an event. Conversion is the result of righteous efforts to follow the Savior. These efforts include exercising faith in Jesus Christ repenting of our sins being baptized receiving the gift of the Holy Ghost, and enduring in faith to the end. A company's transformation process includes activities related to transforming resources into goods and services.
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The two liquids being measured when obtaining an absorbance spectrum are called the ______ and the _______ solutions.
The two liquids being measured when obtaining an absorbance spectrum are called the absorbance (A) and the transmittance (T) solutions.
Absorbance is measured using a spectrophotometer or microplate reader, that's an device that shines light of a special wavelength via a sample and measures the quantity of mild that the pattern absorbs.
Absorption spectra (additionally called UV-Vis spectra, absorbance spectra and electronic spectra) display the change in absorbance of a sample as a characteristic of the wavelength of incident light, and are measured the usage of a spectrophotometer.
Definition of absorption spectrum: an electromagnetic spectrum wherein a decrease in depth of radiation at precise wavelengths or ranges of wavelengths characteristic of an soaking up substance is manifested specially as a sample of darkish lines or bands.
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a ground state hydrogen atom absorbs a photon of light having a wavelength of 92.57 nm. it then gives off a photon having a wavelength of 388.8 nm. what is the final state of the hydrogen atom? values for physical constants can be found in the chempendix.
concept employed
According to the Bohr model, electrons orbit the nucleus at constant energies. Higher energy levels are present in orbits that are farther from the nucleus. Light is released as energy when electrons drop to a lower energy level.
How do we fix?1) With electron energy levels specified by the formula -k/n2, where k is a constant and n is the primary quantum number of the specific level the electron is occupying (usually, ground state, unless perturbed).
2) Assume that the electron in this problem is being moved between the three numbered energy levels; otherwise, you would need to use the additional data that E1 = -13.6 eV. However, since you were unaware of this, the energy levels of the electron must have been clearly defined.
3) The variations in the energies of those energy levels are represented by the wavelengths of the absorbed and emitted light. The n1 level has energy 1/n12, and the n2 level has energy 1/n22, assuming the ground state has reference energy of 1/12 (omit the minus sign for convenience throughout).
4) Now, simply translate the two energy changes into ratios: The ratio is reversed in relation to the corresponding energy level differences for 388.8/94.57nm since the energies are reciprocal to the wavelengths = 3.87142 = (1-1/n1^2)/(1/n1^2 - 1/n2^2 ) . All that remains is more algebraic labor; first, create the common denominators, and then eliminate all of the (n1 + n2) common denominators. Thus, n22*(n12 -1) / (n22 - n12) = 3.87142 is obtained.
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In which of these compounds would you find only dispersion forces existing between the molecules? i. Nh3 ii. Ch2cl2 iii. Ccl4 iv. Co2.
Compounds in which only dispersion forces exist between the molecules are option iii. CCl4 & iv. CO2.
A nonpolar covalent molecule would have the most effective dispersion forces with another nonpolar covalent molecule.
NH3 has 3 N-H bonds & 1 N-lone pair bond. Here both types of bonds are non-polar therefore the whole compound is polar, thus NH₃ molecule has three types of bonds namely; dipole-dipole, hydrogen bonding, and dispersion forces.CH2Cl2 has 2 C-H bonds & 2 C-Cl bonds and both bonds are polar therefore this compound is polar.CCl4 has all similar types of bonds i.e; 4 C-Cl bonds thus, the compound is non-polar so, has only dispersion forces existing between CCl4 molecules.CO2 has dispersion forces or van der Waals forces as its best intermolecular pressure. On account, that CO2 is made up of one carbon and 2 oxygen, and each carbon and oxygen are non-metals, it additionally has covalent bonds.The compounds in which only dispersion forces exist between the molecules are: iii. CCl4 & iv. CO2
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Calculate the energy possessed by a single photon of the following type of electromagnetic radiation: frequency 5.23 x 10^20 s^-1
E = h v, where E is the energy (in SI units of J), h is the Planck constant (h = 6.626 x 10-34 J s), and is the frequency of the radiation, gives the energy associated with a single photon (SI units of s–1 or Hertz, Hz)
One photon's energy (E) is (6.626 x 10(-34)Js) x (5x x 10(10)s) s(-1) ` '=33.1 xx 10^(-24)J' Energy of a single mole of photons is equal to "Energy of a single photon" x "Avogardro's number of photons" It reads "=(33.1 xx10(-24)J)xx (6.022 xx 10(23))=19.93J".
Radiation can be thought of as either waves or as discrete particles known as photons. A single photon's energy is given by the formula E = hv, where E is its energy (measured in SI units of J), h is Planck's constant (6.626 x 10-34 J s), and ∨ is the radiation's frequency (measured in SI units of s-1 or Hertz, Hz) (see figure below).
Wavelength and frequency are connected by the formula λ = c/∨, where c is the speed of light, which is 2.998 x 108 m s-1. Wavenumber, or σ = 1/λ, is another quantity that you will frequently see. It is typically expressed in units of cm-1.
A single photon with wavelength has the following energy:
E = (hc / λ) = (1.983 x 10 ^(-16) J nm/photon) / λ
Em = (hcNa / λ) = (1.196 x 10^8 J nm/mol)/λ
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The element iron has naturally occuring isotopes with mass numbers of 55 amd 56. The relative abundance and atomic masses are: 14.5% have a mass of 54.876u and 85.5% have a mass of 55.998u. Calculate the average atomic mass of iron
The average atomic mass of iron = 55.83531 u
The formula for Average atomic mass is,
Average Atomic Mass = [ Abundance of Isotope 1 ] × [ Mass of Isotope 1 ] + [Abundance of Isotope 2 ] × [ Mass of Isotope 2] + [ Abundance of Isotope 3 ] × [ Mass of Isotope 3 ] + so on....
∴ Average Atomic Mass = [0.145] x [54.876] + [0.855] x [55.998]
= 7.95702 + 47.87829
= 55.83531 u
∴ The average atomic mass of iron = 55.83531 u
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Oxygen has 6 Valence electrons
Valence shell gains two electrons to achieve complete Valence shell
Sulfur has 6 Valence electrons
valence shell gain 2 electrons to achieve full valence shell.
Fluorine, Chlorine, Bromine and Iodine have 7 Valence electrons and gain 1 electron to achieve full valence shell.
Helium has two Valence electrons and gain 2 electron to achieve full valence shell.
Neon, Argon, Krypton, Xenon and Radon have 8 Valence electrons and have full valence shell.
Elements like fluorine , chlorine, bromine and iodine are called halogens. They are the high reactive non-metals in group 17 of the periodic table. They have seven valence electrons and therefore gain one electron to have a full valence shell.
Non-reactive, non-metallic elements in group 18 of the periodic table that include helium , neon , argon krypton , xenon , and radon are noble gases. They the least reactive of all known elements, because they have eight valence electrons and hence outer energy levels are full.
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Individuals of the same species may have different inherited traits. These different inherited
traits may cause differences in each individual's chances of survival and reproduction.
True or false
The given statement is true. Individuals of the same species may have inherited traits that differ. These various inherited traits may affect each individual's chances of survival and reproduction.
What are inherited traits?All living things depend on heredity to decide which qualities are passed from parent to child, hence it is crucial.Successful features are more likely to be passed down and can eventually alter a species.The characteristics that parents pass on to their offspring during fertilization are known as hereditary characteristics.There are some hereditary laws that govern this inheritance. Since inherited characteristics are encoded in our DNA, they can be passed down to the following generation.a characteristic or attribute that is inherited genetically or handed down via generations.For instance, dimples are a hereditary trait. Regular thumb against the hitchhiker's thumb.To learn more about inherited traits, refer
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HELP ME PLSSS ASAP!!!!!
Compare and contrast the paths that P-waves and S-waves take through Earth. How do you think this information helps geologists understand Earth's interior?
S waves can only pass through solids, whereas P waves can pass through liquid, solids, and gases. This data is used by scientists to calculate the composition of the Earth. Seismometers all across the world can measure the S and P waves that come from an earthquake that strikes on one side of the planet, for instance.
What is meant by seismic waves?When materials suddenly move within the Earth, such when they slip along a fault during an earthquake, seismic waves are produced. Seismic waves can also be produced by volcanic eruptions, explosions, landslides, avalanches, and even swiftly flowing rivers.
Earthquakes typically result from subsurface rock breaking unexpectedly and rapid movement along a fault. The seismic waves that cause the ground to tremble are brought on by this quick release of energy.
S waves can only pass through solids, whereas P waves can pass through liquid, solids, and gases. This data is used by scientists to calculate the composition of the Earth. Seismometers all across the world can measure the S and P waves that come from an earthquake that strikes on one side of the planet, for instance.
There are two different types of waves produced by earthquakes: primary (P) and secondary (S). Based on when they come and how they feel on the surface, they are classified. P waves, also known as primary waves, arrive first, followed by S waves, even comprehended as secondary waves. The ground trembles when an earthquake happens because of both waves.
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nswer
Draw and name the following compound
CH3CHCHCH(CH3)CH(CH3)CH2CH2CH3
CECEC-
CH3CH CH3 ch2ch2ch3 stand for Five carbon atoms make up the longest carbon chain. A methyl group can be found at carbon-3 as well. Thus, 3-methylpentane is its IUPAC designation.
What is CH3CH CH3 CH2CH2CH3's IUPAC name?Butene is the IUPAC designation for CH3CH2CH = CH2.Position isomers CH3CH=CHCH3 and CH3CH2CH=CH3 exist because they share the identical chemical formula (C4H9) and differ only in the location of unsaturation.With 10 sigma and 3 pi bonds, CH2 = CH - C - CH3 is a compound. One sigma bond and one pi bond together form a double bond. One sigma and two pi bonds make up a triple bond.The alkene CH3=CH2=CH3 is known as 2-pentene. The first carbon atom of the double bond is given the lower number at the end of the chain, which is numbered from there.To Learn more About 3-methylpentane, Refer:
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Why is atomic number better than atomic mass for organizing the elements in the period table
A mixture of gases contains 12. 0 grams of n2 and 15. 0 grams of ar, under a total pressure of 1. 32 atm. What is the partial pressure of n2?.
A mixture of gases contains 12. 0 grams of n2 and 15. 0 grams of ar, under a total pressure of 1. 32 atm. What is the partial pressure of n2?.
The partial pressure of n2 in the mixture of above gases is 0.7atm.
What is partial pressure?
Each gas in a mixture of gases has a partial pressure, which is the pressure that would exist if that gas alone had filled the complete volume of the original mixture at the same temperature.
N=12.0, Ar=15.0
Total pressure=1.32
Partial pressure of n2=?
WN2=12.0
WAr =15.0
nN2=12/28 =0.42
nAr=15/40 =0.37
Xn2=0.42/0.42+0.37 =0.53
Pn=Xn2×Ptotal
=0.53×1.32=0.69atm that ie nearly equal to 0.7atm
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describe to me what the function of each type of connective tissue is and how it helps our bodies function
Answer: Connective tissue binds various tissue together and form structural framework for the body Areolar connective tissue serves as a support framework for epithelium Adipose connective tissue store energy as fat, conserve body heat, fills space in the body pads and guards many organs and shape up the body.
Explanation:
Is a bright line spectra of an atom dependent on sample size?
The bright line spectra of an atom is not dependent on the sample size.
A hot gas of low density is seen opposite a cooler background which emits a bright line spectra or emission line spectrum. An emission spectrum which consists of the bright lines opposite to a dark background is a bright line spectra.
The bright line spectra depends on the number of photons. If frequency is more, there is more energy, therefore it emits more photons.
The spectra lines are caused due to the result of the emission of separate and different frequencies of light which is electromagnetic radiation from the atoms of an element. It happens when few electrons decay from an upper excited levels of energy to a lower level of energy.
Certain regions do not show lines which means that the spectrum is discrete and not continuous. It is only that few specific frequencies of light are emitted.
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a momentary change in the electron density surrounding an atom or a molecule causes it to have a(n) dipole even if it is not normally polar. this induces a similar effect in a nearby molecule or atom and there will be a weak attraction between the two particles as a result. these weak interactions are called forces or london forces.
The required forces are instantaneous and van der wal dispersion respectively
London dispersion forces also referred to as dispersion forces,
London forces, instantaneous dipole-induced dipole forces, fluctuating induced dipole bonds, or loosely as van der Waals forces are a type of force that typically acts between atoms and molecules that are electrically symmetric, meaning that the electrons are distributed symmetrically with respect to the nucleus.
The van der Waals force is a distance-dependent interaction between atoms or molecules that was named after Dutch scientist Johannes Diderik van der Waals. These attractions are not the product of a chemical electronic link, unlike ionic or covalent connections.
They are more prone to disruption since they are relatively weak. Longer distances between interacting molecules result in a rapid disappearance of the van der Waals force.
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2In what way are liquids different from solids?
Answer:
solid: Relatively rigid, definite volume and shape. In a solid, the atoms and molecules are closely bonded that they vibrate in place but don't move around. liquids: Definite volume but able to change shape by flowing. In a liquid, the atoms and molecules are loosely bonded.
Explanation:
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Which of the apparatus diagrams shows the correct set-up of equipment for evaporation? Give your answer A,B, C or D.
Answer:
a
Explanation:
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What is the function of the endoplasmic reticulum
Answer:
Functions of Endoplasmic Reticulum
Endoplasmic reticulum function includes the Golgi apparatus, lysosomes, plasma membrane, etc.
In addition, it is responsible for transport. Transport of carbohydrates and proteins to another organelle.
They provide a wide area for cellular reactions.
Furthermore, it helps in formation. Formation of the nuclear membrane at the time of cell division.
In the skeletal framework formation, they play an important role.
Most noteworthy, it plays an important role in the synthesis of lipids, glycogen, proteins. Also, other steroids like progesterone, testosterone, and cholesterols, etc
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THE PERSON WHO GETS THE ANSWER RIGHT GETS 20 POINTS, ALSO THE ANSWER IS NOT OAK.
A rock with different fossils is shown below:
A diagram labeled Fossil Layers is shown. The topmost layer is labeled Fish and shows the skeleton of a fish, the second layer from the top is labeled Shell and shows a shell, the third layer from the top is labeled Fern and shows a fern leaf, and the lowermost layer is labeled oak and shows an oak leaf
Based on the fossil, which organism evolved last? (3 points)
a
Fern
b
Fish
c
Oak
d
Shell
Answer:
the fish is the organism that evolved last
Calculate solute potential of the sucrose solution in which the mass of the zucchini cores does not change.
The formula s = -iCRT can be used to compute solute potential. As long as there are solutes in solution, the solute potential is negative. I denotes the number of ions into which the solute dissociates (or breaks apart).
The lower the solute potential, the more ions the solute can break down into. = S + P is the formula for computing water potential. The osmotic potential is proportional to the concentration of the solute. When the solute concentration of a solution increases, the potential for osmosis of the water in that solution diminishes. The change in mass and molarity of sucrose have a direct proportional relationship because as the amount of sucrose in the dialysis bag grows, so does the change in mass.
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If 6 atoms of hydrogen are in the reactant of a chemical reaction, how many atoms of hydrogen must be present in the product of the reaction? Please hurry!
Answer:
6
Explanation:
there always has to be the same number of atoms on both sides of the equation
Whats is the change in temperature for the aluminum wire?
What is the change in temperature for the steel wire?
What is the change in temperature for the lead pellets?
The change in temperature for the aluminum, wire is - 79.6 °C.
The change in temperature for steel wire is - 80 °C.
The change in temperature for lead pellets is -81.2 .
Temperature is a physical quantity that is expressed as the hotness of matter or radiation. change in temperature can be calculated by subtraction of final temperature to initial temperature.
Aluminum wire is used for electrical wiring in the houses , airplanes. aluminum wire conducts electricity safely.
Steel wire is also known as steel cable and steel wire is also used in commercial and industrial purpose.
Lead pellets or lead shots are made by pouring molten lead through screens into water.
Thus, The change in temperature for the aluminum, wire is - 79.6 °C.
The change in temperature for steel wire is - 80 °C.
The change in temperature for lead pellets is -81.2 .
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Yeast is used as a catalyst in the decomposition (breakdown) chemical reaction of Hydrogen Peroxide (H2O2). This is the process used to make "Elephant Toothpaste". During this chemical reaction, thermal energy (heat energy) is released. What type of chemical reaction is this?
It is an exothermic type of chemical reaction.
Yeast is an organism that contains a special chemical reaction known as catalase that could act as a catalyst to assist spoil down hydrogen peroxide. Catalase is found in nearly all residing matters which might be uncovered to oxygen, and it allows them to destroy obviously occurring hydrogen peroxide.
The response between the hydrogen peroxide and the yeast is called an exothermic response. you'll experience a warm temperature on the outside of the field due to the fact strength is being launched. The yeast enables to disposal of the oxygen from the hydrogen peroxide developing tons of tiny bubbles that made all that cool foam.
Elephant toothpaste is a foamy substance resulting from the speedy decomposition of hydrogen peroxide (H 2O 2) with the use of potassium iodide (IK) or yeast and warm water as a catalyst.
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use the periodic table to predict and explain how to predict an oxide ions charge. A.) O will form a 1- ion because it gains 1 electron B.) O will form a 2+ ion because it loses 2 electrons C.) O will form a 1+ ion because it loses 1 electron D.) O will form a 2- ion because it gains 2 electrons.
O will form a 2- ion because it gains 2 electrons is the correct prediction for an oxide ions charge.
So, option D is correct.
How to predict the oxide ion charge?
Oxide ion charge can be predicted by looking at where it is on the periodic table. The metals form positive ions while the non-metals form negative ions.
The total charge of the element is based on in which column the element is located.
The oxide ion will have a charge of 2− as a result of gaining two electrons.
In conclusion, in the case of oxide formation it carries two negative charges. Negative charge come due to the transfer of electron.
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How many Atoms does CuO have?
Answer:
Explanation:
Cupric oxide has the +2 oxidation state of copper, and it has the chemical formula CuO. One copper atom associates one oxygen atom.
How much heat is required to raise the temperature of 250.0 g of water by 52°C?
54,340 J heat is required to raise the temperature of 250 grams of water by 52 degree celsius.
What is heat and how much heat is required to raise the temperature of 250 g of water?Heat is a quantity which represents the resistance , time and current like factors.Here in this question is given the mass that is 250 grams, and the temperature that is 52 degree celsius.The equation we will use to solve out the amount of heat is Q = m x c x del T where in Q is the amount of heat to be calculated.T is the temperature and c is the specific heat , putting the values , Q = 250 x 52 x 4.18 = 54,340 J heat.Converting it to KJ the answer would be 54.34 KJ heat required to raise the temperature of 250 g of water by 52 degree celsius.To know more about heat visit:
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Peter woke up in the middle of night in darkness. Without being able to see, he was able to make his way to the bathroom without running into any objects in his path.
Which of the following best describes how he is able to do this?
A. Peter's brain received visual information from sensory receptors other than his eyes, so there was no change in how his body responded to the darkness around him.
B. Peter's brain used only stored memories as input when he moved through the darkness, as all sensory receptors are directly tied to the visual system.
C. Peter's brain still received messages from his other sensory receptors, which his brain combined with stored memories in order to move through the darkness.
D. Peter's brain used only messages received from his other sensory receptors when he moved through the darkness, as the visual system is not an important part of the central nervous system.
Peter woke up in the middle of night in darkness without being able to see, he was able to make his way to the bathroom without running into any objects in his path then peter's brain still received messages from his other sensory receptors, which his brain combined with stored memories in order to move through the darkness
Darkness is the absence or deficiency of light and when darkness is come there is not enough light to see properly and it is only in the night mode
Here Peter woke up in the middle of night in darkness without being able to see, he was able to make his way to the bathroom without running into any objects in his path and then he move toward the bathroom then sensory receptors is the specialized organ in which eyes, ears and nose mouth as well as internal organ each receptor type conveys a distinct sensory modality to integrate into a single perceptual frame eventually and because of this sensory organs the peter will go safe toward the bathroom and peter's brain still received messages from his other sensory receptors, which his brain combined with stored memories in order to move through the darkness is the correct statement
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Answer:
(C) Peter's brain still received messages from his other sensory receptors, which his brain combined with stored memories in order to move through the darkness.
Explanation:
a compound of carbon and hydrogen contains 85.63% c and has a molar mass of 84.16 g/mol. what is its molecular formula? chempadhelp
C6H12 is its molecular formula.
What is molecular formula?
Two or more atoms that have been chemically bonded make up a molecule. A molecular formula is the chemical representation of a molecular compound that lists the types and quantities of atoms that make up each molecular unit.
% Carbon equals 85.63%.
Hydrogen percentage:
100% - 85.63% = 14.37%
84.16 g/mol for molar mass
Molecular formula is: =?
% should be treated as mass (g) and their atomic mass divided.
C = 85.63 / 12 = 7.14
H = 14.37 / 1 = 14.37
Subtract the smallest number from both.
C = 7.14 / 7.14 = 1
H = 14.37 / 7.14 = 2.01
, CH2 is the empirical formula.
Empirical weight is equal to 12 + 2 = 14.
n = Molecular weight/Empirical weight
n = 84.16 / 14 = 6.01
Empirical formula times n yields the molecular formula.
Now,
C6H12 = (CH2)n = (CH2)6
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when two polar molecules are close together, the partial positive charge on one molecule will attract the partial charge on the other. this type of intermolecular force is called a - attraction.
when two polar molecules are close together, the partial positive charge on one molecule will attract the partial charge on the other. this type of intermolecular force is called a dipole-dipole interaction.
Dipole- dipole forces are the attractive force between polar molecules of the positive end of one polar molecule and negative end of other polar molecule. A polar molecule have a partial positive end and partial negative end.
Example of dipole dipole interaction between polar molecules ios HCl ( hydrogen chloride ).
Thus, when two polar molecules are close together, the partial positive charge on one molecule will attract the partial charge on the other. this type of intermolecular force is called a dipole-dipole interaction.
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To find the number of neutrons we have to subtract Atomicnumber - Mass number
O True
O False
When calculating the number of neutrons you subtract the mass number from the atomic number?
Since the vast majority of an atom's mass is found its protons and neutrons, subtracting the number of protons (i.e. the atomic number) from the atomic mass will give you the calculated number of neutrons in the atom. In our example, this is: 14 (atomic mass) – 6 (number of protons) = 8 (number of neutrons).
What is the name of KIO3?
answer:pubchem or potassium iodate
Question: What is the name of KIO3?
Answer: Goodmorning: } The name for KIO3 is Potassium iodate | KIO3 - PubChem.
Explanation: Potassium Iodate tablets are used at the time of a nuclear emergency; the tablets stop the thyroid gland (situated in your neck) taking up radioactive iodine, which may be released into the environment following a nuclear accident.
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